Leaf respiratory acclimation to climate: comparisons among boreal and temperate tree species along a latitudinal transect.
Identifieur interne : 002E09 ( Main/Exploration ); précédent : 002E08; suivant : 002E10Leaf respiratory acclimation to climate: comparisons among boreal and temperate tree species along a latitudinal transect.
Auteurs : Dylan N. Dillaway [États-Unis] ; Eric L. KrugerSource :
- Tree physiology [ 1758-4469 ] ; 2011.
Descripteurs français
- KwdFr :
- Acclimatation (MeSH), Arbres (croissance et développement), Arbres (métabolisme), Azote (métabolisme), Betula (métabolisme), Changement climatique (MeSH), Feuilles de plante (métabolisme), Géographie (MeSH), Illinois (MeSH), Liquidambar (métabolisme), Plant (métabolisme), Populus (métabolisme), Respiration cellulaire (MeSH), Sol (MeSH), Température (MeSH), Wisconsin (MeSH).
- MESH :
- croissance et développement : Arbres.
- métabolisme : Arbres, Azote, Betula, Feuilles de plante, Liquidambar, Plant, Populus.
- Acclimatation, Changement climatique, Géographie, Illinois, Respiration cellulaire, Sol, Température, Wisconsin.
English descriptors
- KwdEn :
- Acclimatization (MeSH), Betula (metabolism), Cell Respiration (MeSH), Climate Change (MeSH), Geography (MeSH), Illinois (MeSH), Liquidambar (metabolism), Nitrogen (metabolism), Plant Leaves (metabolism), Populus (metabolism), Seedlings (metabolism), Soil (MeSH), Temperature (MeSH), Trees (growth & development), Trees (metabolism), Wisconsin (MeSH).
- MESH :
- chemical , metabolism : Nitrogen.
- growth & development : Trees.
- metabolism : Betula, Liquidambar, Plant Leaves, Populus, Seedlings, Trees.
- Acclimatization, Cell Respiration, Climate Change, Geography, Illinois, Soil, Temperature, Wisconsin.
Abstract
In common gardens along an ∼900 km latitudinal transect through Wisconsin and Illinois, U.S.A., tree species typical of boreal and temperate forests were compared with respect to the nature and magnitude of leaf respiratory acclimation to contrasting climates. The boreal representatives were trembling aspen (Populus tremuloides Michx.) and paper birch (Betula papyrifera Marsh.), while the temperate species were eastern cottonwood (Populus deltoides Bartr ex. Marsh var. deltoides) and sweetgum (Liquidambar styraciflua L.). Assessments were conducted on seedlings grown from seed sources collected near southern and northern range boundaries, respectively. Nighttime rates of leaf dark respiration (R(d)) at common temperatures, as well as R(d)'s short-term temperature sensitivity (energy of activation, E(o)), were assessed for all species and gardens twice during a growing season. Little evidence of R(d) thermal acclimation was observed, despite a 12 °C range in average air temperature across gardens. Instead, R(d) variation at warm temperatures was linked most closely with prior leaf photosynthetic performance, while R(d) variation at cooler temperatures was most strongly related to leaf nitrogen concentration. Moreover, E(o) differences across species and gardens appeared to stem from the somewhat independent limitations on warm versus cool R(d). Based on this construct, an empirical model relying on R(d) estimates from leaf photosynthesis and nitrogen concentration explained 55% of the observed E(o) variation.
DOI: 10.1093/treephys/tpr097
PubMed: 21990024
Affiliations:
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Kruger</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2011">2011</date><idno type="RBID">pubmed:21990024</idno><idno type="pmid">21990024</idno><idno type="doi">10.1093/treephys/tpr097</idno><idno type="wicri:Area/Main/Corpus">002C61</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">002C61</idno><idno type="wicri:Area/Main/Curation">002C61</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">002C61</idno><idno type="wicri:Area/Main/Exploration">002C61</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Leaf respiratory acclimation to climate: comparisons among boreal and temperate tree species along a latitudinal transect.</title><author><name sortKey="Dillaway, Dylan N" sort="Dillaway, Dylan N" uniqKey="Dillaway D" first="Dylan N" last="Dillaway">Dylan N. 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The boreal representatives were trembling aspen (Populus tremuloides Michx.) and paper birch (Betula papyrifera Marsh.), while the temperate species were eastern cottonwood (Populus deltoides Bartr ex. Marsh var. deltoides) and sweetgum (Liquidambar styraciflua L.). Assessments were conducted on seedlings grown from seed sources collected near southern and northern range boundaries, respectively. Nighttime rates of leaf dark respiration (R(d)) at common temperatures, as well as R(d)'s short-term temperature sensitivity (energy of activation, E(o)), were assessed for all species and gardens twice during a growing season. Little evidence of R(d) thermal acclimation was observed, despite a 12 °C range in average air temperature across gardens. Instead, R(d) variation at warm temperatures was linked most closely with prior leaf photosynthetic performance, while R(d) variation at cooler temperatures was most strongly related to leaf nitrogen concentration. Moreover, E(o) differences across species and gardens appeared to stem from the somewhat independent limitations on warm versus cool R(d). Based on this construct, an empirical model relying on R(d) estimates from leaf photosynthesis and nitrogen concentration explained 55% of the observed E(o) variation.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">21990024</PMID><DateCompleted><Year>2012</Year><Month>02</Month><Day>06</Day></DateCompleted><DateRevised><Year>2017</Year><Month>11</Month><Day>16</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1758-4469</ISSN><JournalIssue CitedMedium="Internet"><Volume>31</Volume><Issue>10</Issue><PubDate><Year>2011</Year><Month>Oct</Month></PubDate></JournalIssue><Title>Tree physiology</Title><ISOAbbreviation>Tree Physiol</ISOAbbreviation></Journal><ArticleTitle>Leaf respiratory acclimation to climate: comparisons among boreal and temperate tree species along a latitudinal transect.</ArticleTitle><Pagination><MedlinePgn>1114-27</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1093/treephys/tpr097</ELocationID><Abstract><AbstractText>In common gardens along an ∼900 km latitudinal transect through Wisconsin and Illinois, U.S.A., tree species typical of boreal and temperate forests were compared with respect to the nature and magnitude of leaf respiratory acclimation to contrasting climates. The boreal representatives were trembling aspen (Populus tremuloides Michx.) and paper birch (Betula papyrifera Marsh.), while the temperate species were eastern cottonwood (Populus deltoides Bartr ex. Marsh var. deltoides) and sweetgum (Liquidambar styraciflua L.). Assessments were conducted on seedlings grown from seed sources collected near southern and northern range boundaries, respectively. Nighttime rates of leaf dark respiration (R(d)) at common temperatures, as well as R(d)'s short-term temperature sensitivity (energy of activation, E(o)), were assessed for all species and gardens twice during a growing season. Little evidence of R(d) thermal acclimation was observed, despite a 12 °C range in average air temperature across gardens. Instead, R(d) variation at warm temperatures was linked most closely with prior leaf photosynthetic performance, while R(d) variation at cooler temperatures was most strongly related to leaf nitrogen concentration. Moreover, E(o) differences across species and gardens appeared to stem from the somewhat independent limitations on warm versus cool R(d). Based on this construct, an empirical model relying on R(d) estimates from leaf photosynthesis and nitrogen concentration explained 55% of the observed E(o) variation.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Dillaway</LastName><ForeName>Dylan N</ForeName><Initials>DN</Initials><AffiliationInfo><Affiliation>Department of Forest and Wildlife Ecology, University of Wisconsin-Madison, 1630 Linden Dr., 120 Russell Labs, Madison, WI 53706, USA. 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Kruger</name></noCountry><country name="États-Unis"><region name="Wisconsin"><name sortKey="Dillaway, Dylan N" sort="Dillaway, Dylan N" uniqKey="Dillaway D" first="Dylan N" last="Dillaway">Dylan N. Dillaway</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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